313012056 has 64 divisors (see below), whose sum is σ = 903052800. Its totient is φ = 88558848.

The previous prime is 313012039. The next prime is 313012067. The reversal of 313012056 is 650210313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8260 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (14110200).

Almost surely, 2^313012056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313012056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451526400).

313012056 is an abundant number, since it is smaller than the sum of its proper divisors (590040744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313012056 is a wasteful number, since it uses less digits than its factorization.

313012056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18208 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 313012056 is about 17692.1467323782. The cubic root of 313012056 is about 678.9748509074.

Adding to 313012056 its reverse (650210313), we get a palindrome (963222369).

The spelling of 313012056 in words is "three hundred thirteen million, twelve thousand, fifty-six".